/Engine/Plugins/Experimental/Mutable/Source/CustomizableObject/Public/MuCO/CustomizableObjectInstanceDescriptor.h
Sets the float value "FloatValue" of a float parameter with index "FloatParamIndex".
void SetFloatParameterSelectedOption ( const [FString](API\Runtime\Core\Containers\FString) & FloatParamName, float FloatValue, int32 RangeIndex )